/*顶部导航栏*/
.top-bar {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 50px;
    background-color: hsla(0, 0%, 100%, .6);
    box-shadow: 0 1px 2px rgba(0, 0, 0, .1);
    text-align: center;
}

.top-bar-container {
    margin: 0 auto;
    width: 1080px;
    height: 50px;
}

.top-bar-left {
    width: 800px;
    float: left;
    height: 50px;
}

/*导航栏右部分*/
.nev-compo > ul {
    list-style: none;
}

.nev-items {
    float: right;
    text-align: center;
    line-height: 50px;
    height: 50px;
    position: relative;
    background-color: hsla(0, 0%, 100%, 0);
    margin-right: 20px;
}

.nev-items > a {
    color: #222;
    text-decoration: none;
}

.nev-items > a:hover {
    color: #000000;
    text-decoration: underline;
}

.nev-items > a:visited {
    color: #222;
    text-decoration: none;
}

/*导航栏左部分*/
.nev-compo-left > ul {
    list-style: none;
}

.main-page-goto {
    width: 50px;
    height: 60px;
    background-color: black;
    color: white;
    line-height: 60px;
    border-radius: 0 0 5px 5px;
}

.nev-items-left {
    float: left;
    text-align: center;
    line-height: 50px;
    height: 50px;
    margin-right: 10px;
    position: relative;
    background-color: hsla(0, 0%, 100%, 0);
}

.nev-items-left > a {
    color: #222;
    text-decoration: none;
}

.nev-items-left > a:hover {
    color: #000000;
    text-decoration: underline;
    cursor: pointer;
}

.nev-items-left > a:visited {
    color: #555555;
    text-decoration: none;
}
